Stay updated with real-time air quality in Union City, New Jersey featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
30
Good
Union City, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.15 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.74 μg/m³
0
55
155
255
425
605+
24.36 ppb
0
55
71
86
201
201+
0.52 ppb
0
36
76
186
605
1005+
32.44 ppb
0
54
101
361
1250
2050+
0.31 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Union City, New Jersey
Union City, New Jersey
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AQI 33
Good
3.97μg/m³
PM2.5
23.26μg/m³
PM10
27.70ppb
O3
0.95ppb
SO2
35.02ppb
NO2
0.35ppm
CO
AQI 35
Good
4.13μg/m³
PM2.5
24.32μg/m³
PM10
27.42ppb
O3
0.95ppb
SO2
36.63ppb
NO2
0.35ppm
CO
AQI 36
Good
4.27μg/m³
PM2.5
25.18μg/m³
PM10
27.17ppb
O3
0.95ppb
SO2
38.03ppb
NO2
0.35ppm
CO
AQI 28
Good
4.52μg/m³
PM2.5
26.61μg/m³
PM10
26.87ppb
O3
0.95ppb
SO2
30.42ppb
NO2
0.36ppm
CO
AQI 36
Good
4.27μg/m³
PM2.5
25.18μg/m³
PM10
27.17ppb
O3
0.95ppb
SO2
38.03ppb
NO2
0.35ppm
CO
AQI 28
Good
5.08μg/m³
PM2.5
29.89μg/m³
PM10
25.98ppb
O3
0.96ppb
SO2
20.01ppb
NO2
0.38ppm
CO
Air quality and pollutant data for New Jersey, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Union City, New Jersey is updated every hour for accuracy.
In the past 24 hours, the air quality in Union City, New Jersey was at its worst at 07:00:00 on 2026-11-12.
In the last 24 hours, the best air quality in Union City, New Jersey was observed at 03:00:00 on 2026-11-12.
As of now, the AQI in Union City, New Jersey is 30, indicating Good conditions.
Union City, New Jersey air has the highest levels of NO2.
Poor air quality in Union City, New Jersey means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Union City, New Jersey are currently 4.154 μg/m3.
The PM10 concentration in Union City, New Jersey is 23.742 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Union City, New Jersey is 0.308 ppm.
Currently, Union City, New Jersey has a sulfur dioxide (SO2) concentration of 0.517 ppb.
The current ozone (O3) level in Union City, New Jersey at the moment is 24.355 ppm.
Nitrogen dioxide (NO2) level in Union City, New Jersey at the moment is 32.439 ppb.
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